JPH0358005A - Coupling box for optical communication code and gland assembly for code - Google Patents
Coupling box for optical communication code and gland assembly for codeInfo
- Publication number
- JPH0358005A JPH0358005A JP2187358A JP18735890A JPH0358005A JP H0358005 A JPH0358005 A JP H0358005A JP 2187358 A JP2187358 A JP 2187358A JP 18735890 A JP18735890 A JP 18735890A JP H0358005 A JPH0358005 A JP H0358005A
- Authority
- JP
- Japan
- Prior art keywords
- optical
- housing
- tube
- cord
- junction box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 43
- 210000004907 gland Anatomy 0.000 title claims abstract description 16
- 230000008878 coupling Effects 0.000 title claims description 4
- 238000010168 coupling process Methods 0.000 title claims description 4
- 238000005859 coupling reaction Methods 0.000 title claims description 4
- 239000013307 optical fiber Substances 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims description 27
- 239000004033 plastic Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 206010011224 Cough Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- WNEODWDFDXWOLU-QHCPKHFHSA-N 3-[3-(hydroxymethyl)-4-[1-methyl-5-[[5-[(2s)-2-methyl-4-(oxetan-3-yl)piperazin-1-yl]pyridin-2-yl]amino]-6-oxopyridin-3-yl]pyridin-2-yl]-7,7-dimethyl-1,2,6,8-tetrahydrocyclopenta[3,4]pyrrolo[3,5-b]pyrazin-4-one Chemical compound C([C@@H](N(CC1)C=2C=NC(NC=3C(N(C)C=C(C=3)C=3C(=C(N4C(C5=CC=6CC(C)(C)CC=6N5CC4)=O)N=CC=3)CO)=O)=CC=2)C)N1C1COC1 WNEODWDFDXWOLU-QHCPKHFHSA-N 0.000 description 1
- 101001121392 Homo sapiens Otoraplin Proteins 0.000 description 1
- 102100026304 Otoraplin Human genes 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4453—Cassettes
Abstract
Description
【発明の詳細な説明】
イ．！業上の利用分野
第１の発明は、電話加入者の構内や交換局において必要
とされるような第１の光通信コードを二つ又はそれ以上
の第２の光通信コードに連結するための接合ボックスに
関する。第２の発明はそのような接合ボックスに入れる
ための光コード用グランドアセンブリーに関する。[Detailed description of the invention] a. ! The first invention is for connecting a first optical communication cord to two or more second optical communication cords, such as are required in the premises of a telephone subscriber or in a switching office. Concerning junction boxes. The second invention relates to a ground assembly for an optical code to be placed in such a junction box.
ロ．従来の技術及び発明が解決しようとする課題並びに
課題を解決するための手段
第１の発明の目的はボックスの内側にカブラーやフィル
ターのような受動光構成部品を安全に保持し、そして相
互に連結する光ファイバーを効果的に系統だてることの
できる接合ボックスを提供することにある。従来、受動
光構成部品は相互に連結する光ファイバーを入れるボッ
クスの外部に取り付けられていた。B. Problems to be Solved by the Prior Art and the Invention and Means for Solving the Problems The object of the first invention is to safely hold passive optical components such as couplers and filters inside a box and to interconnect them. The object of the present invention is to provide a junction box that can effectively organize optical fibers. Traditionally, passive optical components have been mounted outside the box containing the interconnecting optical fibers.
従って、第１の発明は、光ファイバーを系統だてるため
の内部構成を有して封じることのできる平らなハウジン
グ、前記第１及び／又は第２の光通信コードに接続する
ための該ハウジングの一端に沿う端子、内部の光ファイ
バーによりｉ端子と全てが相互に連結された１×２ファ
イバー−光カプラーを含む受動光構成部品、該ハウジン
グの大面に平行な一つのループに全てが一緒に系統だて
られた内部ファイバー、該ループと受動光構成部品を保
持する咳ハウジングの端壁との間の該ハウジングの少な
くとも１つの興なる端の内面に沿うクランプからなる第
１の光通信コードを二つ又はそれ以上の第２の光通信コ
ードに連結するための接合ボックスを提供しようとする
ものである。通常、少なくとも内部ファイバーの１つは
その長さに沿って継がれ、そして該接合は該端クランプ
において保持される。Accordingly, a first invention provides a flat housing that can be sealed and has an internal structure for organizing optical fibers, one end of the housing for connecting to the first and/or second optical communication cord. Passive optical components including a 1x2 fiber-optic coupler, all interconnected with an i-terminal by an internal optical fiber, all systemed together in one loop parallel to the large surface of the housing. a first optical communication cord consisting of a first optical communication cord comprising an internal fiber having been attached to the housing, a clamp along the inner surface of at least one rising end of the housing between the loop and an end wall of the housing holding the passive optical component; or more, to provide a junction box for coupling to a second optical communication cord. Typically, at least one of the internal fibers is spliced along its length and the splice is held in the end clamp.
好ましくは、前記クランプは全ての受動光構成部品とど
んな接合も互いに平行になるように該ハウジングの二つ
の平行な端に沿っている。Preferably, the clamps are along two parallel edges of the housing so that all passive optical components and any joints are parallel to each other.
便宜的に又、その内部構成はその外側から該ループの中
央までのループ面に延びるアキュミュレーターを含む。Conveniently, the internal arrangement also includes an accumulator extending in the loop plane from its outside to the center of the loop.
これは該ボックスの中に該ファイバーを最初に系統だて
る間有益であり、そして勿論接合の結果として引き続く
作業の間さらに短くなったファイバーを保持するのに役
立つ。This is beneficial during the initial organization of the fibers in the box, and of course helps to retain even shorter fibers during subsequent operations as a result of splicing.
前記受動光構成部品をＷＩｌｌから隔絶するため、前記
クランプは好ましくは該受動光構成部品が保持されてい
る間弾力的に変形できるパッドを含む。To isolate the passive optical component from the WILL, the clamp preferably includes a pad that is resiliently deformable while the passive optical component is held.
前記ハウジングは便宜的にツーピースの合成樹脂の塑造
物として成形され、その一部は内部構成と一体的である
ことが好ましく、モして又、咳クランプもそうである。The housing is conveniently molded as a two-piece synthetic resin molding, a portion of which is preferably integral with the internal structure, as is also the cough clamp.
前記第１及び／又は第２の光通信フードの光ファイバー
は該ボックスの壁を通して延びているのが好ましく、前
記端子は該壁で該コードを支持するグランド（ｇｌａｎ
ｄ）であることが好ましい。前記外部コードは丈夫なコ
ネクターを形成する保護被覆体を有しており、この場合
、該被覆体は該ハウジング内で一部が取り除かれている
。Preferably, the optical fibers of the first and/or second optical communication hood extend through the wall of the box, and the terminal is connected to a ground supporting the cord in the wall.
d) is preferred. The external cord has a protective sheath forming a durable connector, the sheath being partially removed within the housing.
第２の発明の目的はこの仕事を行なうグランドアセンブ
リーを提供することである．従って、該第２の発明は光
ファイバーコア、被覆体及び非金属耐久部材の中間層を
有する光コード用グランドアセンブリーを提供し、該ア
センブリーは、それが延びるボデーを通してそれをボデ
ーに接続するための外部構成を有するチェープ、該光フ
ァイバーコアの通路用孔付ベースを有する管状姻キャッ
プ、該端キャップの円筒状内壁と該チューブの一端の外
壁との間に該チューブ内に保持された該光コードの端か
ら後ろに曲げられた一様に延びる耐久部材の間にトラッ
プで止めるに十分な環状隙間空間を含んでいる。該グラ
ンドアセンブリーは便宜的に該接合ボックスに組み立て
る前に該コードに前もって接続されてもよい。The object of the second invention is to provide a gland assembly that performs this task. Accordingly, the second invention provides a ground assembly for an optical cord having an optical fiber core, a cladding and an interlayer of non-metallic durable members, the assembly having a ground assembly for connecting it to a body through which it extends. a tube having an external configuration, a tubular mating cap having a perforated base for the passage of the optical fiber core, the optical cord being held within the tube between the cylindrical inner wall of the end cap and the outer wall of one end of the tube; It includes an annular clearance space sufficient for trapping between the uniformly extending durable members bent back from the ends. The gland assembly may conveniently be pre-connected to the cord before assembly to the junction box.
好ましくは、前記外部構成は環状シ、ルダーに隣接する
ねじ山からなり、前記アセンブリーは更に前記ナットと
シｔルダーとの間に円形孔付ボデーの環状端をクランプ
するために、該チューブのねじ山と噛合うナットを含む
。Preferably, the external arrangement comprises a thread adjacent to the annular cylinder, and the assembly further includes a thread of the tube for clamping the annular end of the circular bore body between the nut and the cylinder. Contains a nut that engages with the thread.
便宜的に又、前記チューブと端キャップは前記光コード
の耐久部材をトラップする時それらがスナップフィット
するような協働面構成を有する。Conveniently, the tube and end cap also have cooperating surface configurations such that they snap-fit when trapping the durable member of the optical cord.
前記チューブと光コードの部分に対してしっかりと取り
付くスリーブがあることが好ましく、又、該スリーブは
熱収縮されることが好ましい。Preferably there is a sleeve that securely attaches to the tube and the optical cord portion, and the sleeve is preferably heat-shrinked.
前記端キャップは組立中固まる前に十分な時間の余裕が
あるエポキシ樹脂のような適当な付着物を使用している
チ一−プに付着されてもよい。The end caps may be attached to the chip using a suitable adhesive, such as an epoxy resin, which has sufficient time to harden during assembly.
ハ．作用及び実施例並びに発明の効果
以下、本発明一実施例を図面を参照しながら構成を作用
と共に説明する．
第１図は接合ボックスハウジングに入れられた光構成部
品とスリーブ付ファイバーの概略構成図である。C. Effects of the invention, embodiments, and effects of the invention Hereinafter, an embodiment of the present invention will be explained with reference to the drawings in terms of its structure and its effects. FIG. 1 is a schematic diagram of optical components and sleeved fibers contained in a junction box housing.
第２図は蓋を取り外した接合ボックスの上方からみた斜
視図である。FIG. 2 is a perspective view from above of the junction box with the lid removed.
第３図は接合ボックスの一つのグランド軸上の長さ方向
断面図である。FIG. 3 is a longitudinal sectional view on one gland axis of the junction box.
第４図は第３１！Ｉのグランドに取り付けられる補強さ
れた光コードを通る拡大切断面図である。Figure 4 is number 31! FIG. 3 is an enlarged cross-sectional view through the reinforced optical cord attached to the ground of I.
第１図及び第２図を参照すれば、電話加入者構内からス
リーブ付光ファイバーの形の光ファイハーコード”ＣＵ
ＳＴ”がコネク９−ＣＯＮＩト００８２でそれぞれ終結
される補強された光コネクターコードＣａｌｌとＣＤ２
により異なる波長、例えば１３０ｎｍと１５５ｎｍで伝
送する二つのネットワークに接合ボックスで接続される
。この好ましい例において、それは又、ＴＩｉ接合ボッ
クス上に設けられたＯＴＤＲ （ｏｐｔｉｃａｌ ｔｉ
ｍｅ ｄｏｍａｉｎ ｒａｆｌｅｃｔｏｒ）の端子’
ＯＴＤＲ”に接続される。Referring to FIGS. 1 and 2, an optical fiber cord "CU" in the form of a sleeved optical fiber is connected to a telephone subscriber's premises.
Reinforced optical connector cords CALL and CD2 each terminate in CONN 9-CONI to 0082.
is connected by a junction box to two networks transmitting at different wavelengths, for example 130 nm and 155 nm. In this preferred example, it is also an OTDR (optical ti
Terminal of me domain raflector)
OTDR”.
前記加入者のコードＣＵＳＴはグランドＧ３を通り前記
接合ボックスに入り、そしてスリーブ付ファイバーＣＯ
として波長分割マルチプレクサ−ＷＯＮに続き、それを
二つのスリーブ付ファイバーＣＩ，Ｃ２に接続する。フ
ァイバーＣ１とＣ２は前記ＯＴＤＲ端子とＩＸ２カプラ
ーＣＲにそれぞれ接続されるそれぞれのスリーブ付ファ
イバーＣ３とＣ４にＳ１とＳ２で結合される。該カプラ
ーＣＲはファイバーＣ４をスリーブ付ファイバーＣ５と
Ｃ６に接続する。ファイバーＣ５はグランドＧ１により
支持される外部コードＣＤＩのコアの続きであるスリー
ブ付ファイバーＣ７に５３で結合される。ファイバーＣ
ＢはフィルターＦに接続される。これはグランドＧ２に
より支持された他の外部コードＣＤ２のコアの続きであ
るスリーブ付ファイバー〇８に接続される。The subscriber's code CUST enters the junction box through ground G3 and into the sleeved fiber CO
as follows the wavelength division multiplexer - WON and connects it to two sleeved fibers CI, C2. Fibers C1 and C2 are coupled at S1 and S2 to respective sleeved fibers C3 and C4 which are connected to the OTDR terminal and IX2 coupler CR, respectively. The coupler CR connects fiber C4 to sleeved fibers C5 and C6. Fiber C5 is coupled at 53 to sleeved fiber C7 which is a continuation of the core of the external cord CDI supported by ground G1. Fiber C
B is connected to filter F. This is connected to the sleeved fiber 08 which is a continuation of the core of another external cord CD2 supported by the ground G2.
各内部ファイバー〇〇からＣ８は該接合ボックス内でそ
の系統だてを容易にするため、同じ長さ、この例では１
．５一を有するように慎重に選択される。Each internal fiber 〇〇 to C8 is of the same length, in this example 1, to facilitate its organization within the junction box.
．． Carefully selected to have 5-1.
前記接合ボックスはプラスチック射出成形により図示さ
れているようなベースと側壁、及びクリップで保持され
る平らなＭ（図示されていない）の二つの部品からなる
平らな封じることのできる長方形のハウジング１０から
構成される。The junction box is made of a flat rectangular housing 10 consisting of two parts, a base and side walls as shown by plastic injection molding, and a flat M (not shown) held by clips. configured.
該ハウジング１０ｏ大面、及び結合用の三つの真っ直な
クランプ１４、１５、１８並びに受動光構成部品即ちマ
ルチプレクサ−ＷＤＭ， ＩＸ２カプラーＣＲ，フィル
ターＦと平行な面に複数の突出部Ｐと一つのアキュミュ
レーター１２が該ハウジング１０の大部分と一体的に成
形される。The large surface of the housing 10o, and three straight clamps 14, 15, 18 for coupling and a plurality of protrusions P and one on the plane parallel to the passive optical components, namely multiplexer WDM, IX2 coupler CR, filter F. An accumulator 12 is integrally molded with the majority of the housing 10.
前記三つのグランドＧ１、 Ｇ２． Ｇ３とＯＴＯＲ端
子は全て前記ハウジングの同じ側壁に沿ろ線に位置され
ている。しかし、他の例では（５Ｉ１示されていない）
、前記スリーブ付ファイバーＣＯは蓋の細孔を通りボッ
クスを出るが、グランドＧ３はない。該ボックスの外側
のこの光ファイバーの続きＣＵＳＴは適当な保護用オー
バースリーブと内部ファイバーＣＯが引っ張られないよ
うにするための幾つかのクランプ手段を有する。この他
の例において、前配ボックスは前記蓋の外面上の他の構
成の周りのドラムに巻かれた余分のフード（ＣｔｌＳＴ
）及び装置する間引き続き使用するための査上に便宜的
に保持された溶融結合保護パッケージがあてがわれる。The three grounds G1, G2. G3 and OTOR terminals are all located along the same side wall of the housing. But in other examples (5I1 not shown)
, the sleeved fiber CO exits the box through a hole in the lid, but there is no ground G3. This optical fiber continuation CUST outside the box has a suitable protective oversleeve and some clamping means to prevent the internal fiber CO from being pulled. In this other example, the front box includes an extra hood (CtlST
) and a fusion-bonded protective package conveniently retained on top of the device for continued use during installation.
前記受動光構成部品ＣＲ． ＷＯＭ，Ｆ及び三つの結合
５１． ５２． ５３は前記ハウジング１０の向かい合
っている端の内側に沿う前記クランプｌ４と一側壁との
間、前記クランプ１５と１６との間及び前記クランプｌ
６と他の側壁との間に互いに平行に配置されている。弾
力的に変形できるフォームパヅド１３はこれらの構成部
品を保持するのに役立ち、それらを衝撃から保護する。Said passive optical component CR. WOM, F and three combinations 51. 52. 53 is between the clamp 14 and one side wall along the inner side of the opposite end of the housing 10, between the clamps 15 and 16, and between the clamp 1
6 and the other side wall in parallel to each other. The elastically deformable foam pad 13 serves to hold these components and protects them from impacts.
該構成部品はプッシネ●フィットであり、該ボックスの
組立を容易にする。The components are push-fitting, facilitating assembly of the box.
前記内部ファイバーＣＯから０８は前記クランプ１４と
１５と端壁との間に全て共通して一緒に長円形に巻かれ
る。これはそれらが普通の長さを有するから可能である
。ループに該ファイバーを系統だてることはそれらが曲
率半径４０ｍｍ以下の曲げに耐えないから重要である。The internal fibers CO to 08 are all commonly wound together in an oval shape between the clamps 14 and 15 and the end wall. This is possible because they have a normal length. Organizing the fibers in loops is important because they do not withstand bending with a radius of curvature of less than 40 mm.
各スリーブ付ファイバーは直線形状のメモリーを有する
ＰＴＦＥ又は他のボリマー●スリーブを有する光ファイ
バーから成り、それは弛められると後ろ直線にはね返り
、そしてそれは巻かれた時に前記ハウジングに保持する
のに役立つように、該ハウジング内の色々な強制力に対
して弾力的にバイアスされる。Each sleeved fiber is made of optical fiber with a PTFE or other polymeric sleeve that has a linear shape memory, so that when it is loosened it springs back straight, and when it is wound it helps to hold it in the housing. , is resiliently biased against various forcing forces within the housing.
前記ループはドラム１ｌの周り、前記突出部？及びアキ
ュミュレーター１２の下を通る。The loop is around the drum 1l, the protrusion? and passes under the accumulator 12.
前記グランドＧ１、 Ｇ２， Ｇ３の一つは第３図にお
いて拡大して示されており、補強された外部コードＣＤ
Ｉ． ＣＤ２は第４図の切断面図で示されている。該フ
ードはケプラー０［ａｖｌａｒ） （登録商標）ボリ
マー●ファイバーの非金属強力材料の１１２１と外側の
プラスチック被覆体２２で囲われたスリーブ付光ファイ
バー２０から構成されている。前記スリーブの直径は１
＋ｕ＋であり、ファイバーのそれは２５０ミクロンであ
る。前記グランドは管体２７、ナット２５、熱収縮スリ
ーブ２３及び端キャップ２４から構成され、前記ハウジ
ング１０の壁の孔を通して保持される。前記管体２７上
の環状ショルダー２８は該ハウジング１０の壁に対して
一側から入れられ、他方、前記管体２７のねじ２６と嵌
合するナット２５はそれに対して他側から入れられる。One of the glands G1, G2, G3 is shown enlarged in FIG. 3 and includes a reinforced external cord CD.
I. CD2 is shown in cross-section in FIG. The hood consists of a sleeved optical fiber 20 surrounded by a non-metallic strong material 1121 of Kepler 0 (registered trademark) polymeric fiber and an outer plastic jacket 22 . The diameter of the sleeve is 1
+u+ and that of the fiber is 250 microns. The gland consists of a tube 27, a nut 25, a heat shrink sleeve 23 and an end cap 24 and is held through a hole in the wall of the housing 10. The annular shoulder 28 on the tube 27 is inserted against the wall of the housing 10 from one side, while the nut 25, which fits with the thread 26 of the tube 27, is inserted against it from the other side.
前記コードはその被覆体２２が部分的に取り除かれ、耐
久部材のファイバー２１は該被覆体２２の端が管体２７
の端から張出するように管体２７を通して押し入れられ
、そして前記熱収縮スリーブ２３によ′り適所にシール
される。前記ファイバー２１の余分な長さは、前記端キ
ャップ２４の長さに応じて前記管体２７の外側の後ろに
曲げられ、その周りの部位２１０に一様に延び、それに
より咳管体２７の端に対して端キャップ２４を押し込ん
でトラップされる。前記スリーブ付光ファイバー２０は
該端キャップ２４のベースの孔を通して延びる。The cord has its sheath 22 partially removed, and the fibers 21 of the durable member have the end of the sheath 22 attached to the tube 27.
is pushed through the tube 27 so as to overhang the end of the tube and sealed in place by the heat shrink sleeve 23. The extra length of the fibers 21 is bent behind the outside of the tube body 27 according to the length of the end cap 24 and extends uniformly around the area 210, thereby making the cough tube body 27 The end cap 24 is pushed against the end and trapped. The sleeved optical fiber 20 extends through a hole in the base of the end cap 24.
図示の例では、エポキシ樹脂が該端キャップを管体２７
の円筒上外面に保持し、終端をシールするために使用さ
れている。代わりに、又は加えて、端キャップ２４と管
体２７上の協働突出体（図示されていない）はスナップ
●フィットを確保し、組立を容易にする。In the illustrated example, an epoxy resin seals the end cap to the tube 27.
It is used to hold onto the outer surface of the cylinder and seal the end. Alternatively, or in addition, cooperating projections (not shown) on the end cap 24 and tube 27 ensure a snap fit and facilitate assembly.
第１図は接合ボックスハウジングに入れられた光構成部
品とスリーブ付ファイバーの概略構成図、第２！！Ｉは
董を取り外した接合ボックスの上方からみた斜視図、第
３！ｉｌｌは接合ボックスの一つのグランド軸上の長さ
方向断面図、第４１！１は第３図のグランドに取り付け
られる補強された光コードを通る拡大切断面図である。Figure 1 is a schematic diagram of optical components and sleeved fibers housed in a junction box housing, Figure 2! ! I is a perspective view from above of the joint box with the head removed, 3rd! ill is a longitudinal cross-sectional view on one gland axis of the junction box, and 41!1 is an enlarged cross-sectional view through the reinforced optical cord attached to the gland of FIG.
Claims (1)
封じることのできる平らなハウジング（１０）、第１及
び／又は第２の光通信コード（ＣＤ１）、（ＣＤ２）に
接続するための該ハウジング（１０）の一端に沿う端子
（Ｇ１、Ｇ２、Ｇ３）、内部の光ファイバー（Ｃ０・・
・・Ｃ８）により該端子と全てが相互に連結された１×
２ファイバー−光カプラー（ＷＤＭ）を含む受動光構成
部品、該ハウジングの大面に平行な１つのループに全て
が一緒に系統だてられた内部ファイバー（Ｃ０・・・・
Ｃ８）、該ループと受動光構成部品（ＷＤ、ＣＲ、Ｆ）
を保持する該ハウジングの端壁との間の該ハウジング（
１０）の少なくとも１つの異なる端の内面に沿うクラン
プ（１４、１５、１６）からなる第１の光通信コードを
二つ又はそれ以上の第２の光通信コードに連結するため
の接合ボックス。 ２、少なくとも内部ファイバー（Ｃ０・・・・Ｃ８）の
一つはその長さに沿って継がれ、そして該接合は該端ク
ランプ（１４、１５、１６）の一つにおいて保持され、
該クランプ（１４、１５、１６）は該受動光構成部品（
ＷＤ、ＣＲ、Ｆ）が保持されている間弾力的に変形でき
るパッド（１３）を含む特許請求の範囲第１項記載の接
合ボックス。 ３、前記クランプ（１４、１５、１６）は全ての受動光
構成部品（ＷＤ、ＣＲ、Ｆ）及びどんな接合も互いに平
行になるように該ハウジング（１０）の二つの平行な端
に沿っている特許請求の範囲第２項記載の接合ボックス
。 ４、前記内部構成はその外側から前記ループの中央まで
のループ面に延びるアキュミュレーター（１２）を含む
特許請求の範囲第３項記載の接合ボックス。 ５、前記ハウジング（１０）はプラスチック成形であり
、前記内部構成は該ハウジングと一体的に成形され、前
記クランプ（１４、１５、１６）は該ハウジング（１０
）と一体的に成形される特許請求の範囲第１項乃至第４
項記載の接合ボックス。 ６、光ファイバーコア（２０）、被覆体（２２）及び非
金属耐久部材（２１）の中間層を有する光コード、それ
が延びるボデーを通してそれをボデーに接続するための
外部構成（２８）を有するチューブ（２７）、前記光フ
ァイバーコアの通路用孔付ベースを有する管状端キャッ
プ（２４）、該端キャップの円筒状内壁と該チューブ（
２７）の一端の外壁との間に該チューブ内に保持された
該光コードの端から後ろに曲げられた一様に延びる耐久
部材の間にトラップで止めるに十分な環状隙間空間から
なるグランドアセンブリー。 ７、前記外部構成は環状ショルダー（２８）に隣接する
ねじ山からなり、前記アセンブリーは更に前記ナット（
２５）とショルダー（２８）との間に円形孔付ボデーの
環状端をクランプするために、譲チューブ（２７）のね
じ山と噛合うナット（２５）を含む特許請求の範囲第６
項記載のグランドアセンブリー。 ８、光ファイバーコア（２０）、被覆体（２２）及び非
金属耐久部材（２１）の中間層を育する光コードに接続
され、該被覆体（２２）は前記チューブ（２７）の内面
にはまり込み、該耐久部材（２１）の余分な長さは前記
端キャップ（２４）と前記管体（２７）の円筒形外面と
の間に一様に延びてトラップされる特許請求の範囲第７
項記載のグランドアセンブリー。 ９、前記チューブ（２７）の部分と光コードに対してし
っかりと取り付くスリーブ（２３）を含む特許請求の範
囲第８項記載のグランドアセンブリー。 １０、前記スリーブ（２３）は熱収縮され、前記端キャ
ップ（２４）は前記チューブ（２７）に付着される特許
請求の範囲第９項記載のグランドアセンブリー。[Claims] 1. A flat housing (10) capable of being sealed with an internal structure for organizing optical fibers, a first and/or a second optical communication cord (CD1), (CD2); Terminals (G1, G2, G3) along one end of the housing (10) for connection to internal optical fibers (C0...
・1× which all are interconnected with the terminal by C8)
Passive optical components including two fiber-optical couplers (WDM), internal fibers (C0...) all organized together in one loop parallel to the large surface of the housing.
C8), the loop and passive optical components (WD, CR, F)
between the end wall of the housing holding the housing (
10) A junction box for coupling a first optical communication cord to two or more second optical communication cords, consisting of clamps (14, 15, 16) along the inner surface of at least one different end of the junction box. 2. at least one of the internal fibers (C0...C8) is spliced along its length, and the splice is held in one of the end clamps (14, 15, 16);
The clamps (14, 15, 16) are connected to the passive optical components (
Junction box according to claim 1, comprising a pad (13) which can be elastically deformed while the WD, CR, F) is held. 3. The clamps (14, 15, 16) are along two parallel edges of the housing (10) so that all passive optical components (WD, CR, F) and any junctions are parallel to each other. A junction box according to claim 2. 4. Junction box according to claim 3, wherein said internal arrangement includes an accumulator (12) extending in the loop plane from its outside to the center of said loop. 5. The housing (10) is molded of plastic, the internal structure is integrally molded with the housing, and the clamps (14, 15, 16) are integrally molded with the housing (10).
) Claims 1 to 4 integrally molded with
Junction box as described in section. 6. An optical cord having an optical fiber core (20), a cladding (22) and an intermediate layer of a non-metallic durable member (21), a tube through which it extends and an external arrangement (28) for connecting it to the body. (27) a tubular end cap (24) having a perforated base for passage of the optical fiber core; a cylindrical inner wall of the end cap and the tube (24);
27) a gland assembly consisting of an annular clearance space sufficient to trap between an outer wall at one end and a uniformly extending durable member bent back from the end of the optical cord held within the tube; Lee. 7. said external arrangement comprises a thread adjacent to said annular shoulder (28), said assembly further comprising said nut (28);
Claim 6 comprising a nut (25) engaging a thread of the transfer tube (27) for clamping the annular end of the circular bore body between the shoulder (28) and the shoulder (25).
Gland assembly as described in section. 8. Connected to an optical cord growing an intermediate layer of an optical fiber core (20), a sheathing (22) and a non-metallic durable member (21), the sheathing (22) fitting into the inner surface of the tube (27); Claim 7, wherein the extra length of the durable member (21) extends uniformly and is trapped between the end cap (24) and the cylindrical outer surface of the tube (27).
Gland assembly as described in section. 9. A gland assembly as claimed in claim 8, including a sleeve (23) which securely attaches to a portion of the tube (27) and to the optical cord. 10. The gland assembly of claim 9, wherein the sleeve (23) is heat-shrinked and the end cap (24) is attached to the tube (27).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8916333.1 | 1989-07-17 | ||
| GB898916333A GB8916333D0 (en) | 1989-07-17 | 1989-07-17 | Junction box for optical communications cords,and gland assembly for cord |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0358005A true JPH0358005A (en) | 1991-03-13 |
Family
ID=10660157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2187358A Pending JPH0358005A (en) | 1989-07-17 | 1990-07-17 | Coupling box for optical communication code and gland assembly for code |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5046811A (en) |
| EP (1) | EP0409390A3 (en) |
| JP (1) | JPH0358005A (en) |
| GB (2) | GB8916333D0 (en) |
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|---|---|---|---|---|
| JP2011075900A (en) * | 2009-09-30 | 2011-04-14 | Nippon Telegr & Teleph Corp <Ntt> | Optical module |
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1990
- 1990-05-25 GB GB9011747A patent/GB2234087A/en not_active Withdrawn
- 1990-05-29 EP EP19900305815 patent/EP0409390A3/en not_active Withdrawn
- 1990-06-07 US US07/534,558 patent/US5046811A/en not_active Expired - Lifetime
- 1990-07-17 JP JP2187358A patent/JPH0358005A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011075900A (en) * | 2009-09-30 | 2011-04-14 | Nippon Telegr & Teleph Corp <Ntt> | Optical module |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2234087A (en) | 1991-01-23 |
| EP0409390A2 (en) | 1991-01-23 |
| EP0409390A3 (en) | 1992-01-15 |
| US5046811A (en) | 1991-09-10 |
| GB9011747D0 (en) | 1990-07-18 |
| GB8916333D0 (en) | 1989-08-31 |
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